Hot-air apparatus.



Patented Jan; mm;

G. B; FRALEY. HOT AIB APPARATUS. (Applicaticzi med Feb.'12. 1900.

(No Model.)

' mu. m c, m: mmms PETERS cu mom-mun. WMWHG UNITED STATES PATENT OFFICE.

GEORGE B. FRALEY, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR, BY

DIRECT AND MESNE ASSIGNMENTS, TO THE FRALEY ELEOTRO THERA- PEUTIC COMPANY, OF NEW JERSEY.

HOT-AI R APPARATUS.

SPECIFICATION forming part of Letters Patent No. 665,673, dated January 8, 1901.

Application filed February 12, 1900. Serial No. 4,873. (No model.)

To all whom it may concern: a switch F, so as to regulate the current, and Be it known that I, GEORGE B. FRALEY, a consequently the heat, and consists of the citizen of the United States, residing in the wires F, mounted on bars G, which are supcity and county of Philadelphia, in the State ported by angle-irons H, the parts being held of Pennsylvania, have invented a new and in assembled position by screws J, suitably useful Improvement in Hot-Air Apparatus, insulated, as best seen in Fig. 4. The heatwhich improvement is fully set forth in the ing-chamber O is provided with a perforated following specification and accompanying slide K,-which is removable or can be addrawings. justed so as to admit varying quantities of 10 Myinvention relates to an apparatus adaptair to said heating-chamber. ed to subject the arms, legs, shoulders, hips, One end of the casing B is closed and is abdomen, and other portions of the human provided with a door L for access to the inbody to the action of dry hot air for the treatterior, said door having a recess M therein ment of various forms of rheumatism, ankyfor the insertion of a thermometer N, the op- I 5 losis, arthritis, synotis, &c., whereby absorpposite end of said casing having a hood P, tion of effusion is caused and mobility is rewhich is provided withadraw-string,whereby stored to the affected parts and pain immethe limb or member to be treated is inclosed. diately relieved. On the upper side of said casing are slides Q,

. To the above ends my invention consists which when opened allow for ventilation.

20 of an improved apparatus whereby a high The interior of the casing is provided with temperature of hot dry air is attained and hooks or similar supporting devices R, which means are provided for varying the same as sustain the rods S in proximity to opposite required. sides of the casing B, said rods supporting It further consists of novel details of conthe hammock or netting T, upon which the 25 struction, all as will be hereinafter fully demember to be treated rests. The interior of scribed, and particularly pointed out in the the apparatus is lined with asbestos or simiclaims. lar non-conducting material U, whereby the Figurel representsa longitudinal sectional heat is effectively retained within the appaview of a hot-air apparatus embodying my inratus. The apparatus is suspended by means 50 vention. Fig.2representsaverticalsectional of the cords V, which pass over the pulleys View on line a; 00, Fig. 1. Fig. 3 represents a W, the hooks X on said cords engaging eyes plan view of the electric heating system em- Y, whereby the apparatus can be raised or ployed. Fig. 4 represents, on an enlarged lowered.

scale, a sectional view of a portion of the fas- The operation is as follows: The portion of 35 tening means employed for the terminals of the body to be treated is inserted in the hood the electric conductors. P, which is caused to engage the same. By

Similar letters of reference indicate corremanipulating the switches F the flow of elecsponding parts in the figures. tricity can be regulated and the internal tem- Referring to the drawings, A designates a perature can also be regulated by adjusting 4o hot-air apparatus having a casing or body B, the perforated slide K and the doors Q.

which can be of any form, but in the present The height of the apparatus can be varied, instance is preferably cylindrical and has the and the electric wires or conductors are readheating-chamber 0 depending therefrom, ily assembled for the purpose of inspection above which is supported a baffle or deflector and repairing, and the hammock T can also 45 plate D, so located as to provide the openings be readily removed or replaced. 5 L

E for the upward passage of the hot air, as Having thus described my invention, what will be apparent. Within the chamber 0 I claim as new, and desire to secure by Letters are the electric circuits or heating devices, Patent, is whose number may bevaried according to re- 1. In a hot-air apparatus, a casing having 50 quirements. Each circuit is provided with an open bottom, a heating-chamber therein, 10o

an electric heater in said chamber, a baffleplate above said heater, openings intermediate the sides of said bafiie-plate and said casing for the ascent of hot air, and an adjustable perforated slide below said heater, the latter being removably mounted on supports located Within said chamber.

2. In a hot-air apparatus, a casing, an electric heater in the lower portion thereof, supporting devices oppositely located within said heater, rods sustained by said supporting devices, a hammock suspended by said rods, a baffle-plate intermediate said heater and hammock, and a perforated slide located below said heater.

3. In a hot-air apparatus, a casing, a door at one end thereof, a hood at the other end thereof, suspension devices for enabling said casing to be hung at different levels, a heating-chamber, a heater therein, a baffle above said heating-chamber, a support for the limb or member to be treated, and a perforated adjustable slide below said heater.

4. In a hot-air apparatus, a casing, an electric heater suitably sustained in the lower portion thereof, a support for the member to be treated,a perforated slide below said heater, and adjustable suspension devices for said casing.

5. In a hot-air apparatus, a casing, a hotair chamber in the lower portion thereof, an electric heater, longitudinally-extending devices for supporting the Wires of said heater, supports for said devices, means for seeu ring said partsin assembled position, abaffle-plafe above said heater and a perforated slide below said heater.

GEORGE E. FRALEY.

Witnesses:

JOHN A. WIEDERSHEIM, WM. OANER WIEDERSHEIM. 

